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From "Joshua Hawkinson (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LIBCLOUD-986) List / Iterate container with prefix for Azure Blob service (This support exists in the other drivers already)
Date Fri, 16 Mar 2018 00:58:00 GMT

     [ https://issues.apache.org/jira/browse/LIBCLOUD-986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joshua Hawkinson updated LIBCLOUD-986:
--------------------------------------
    Summary: List / Iterate container with prefix for Azure Blob service (This support exists
in the other drivers already)  (was: List / Iterate container with prefix for Azure Blob service
(in addition to the other drivers))

> List / Iterate container with prefix for Azure Blob service (This support exists in the
other drivers already)
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: LIBCLOUD-986
>                 URL: https://issues.apache.org/jira/browse/LIBCLOUD-986
>             Project: Libcloud
>          Issue Type: Improvement
>          Components: Storage
>            Reporter: Joshua Hawkinson
>            Priority: Major
>
> While testing out the libcloud storage abstraction I've come across a curious omission
in driver support. It seems that for many drivers there is additional support for the \{list_container_objects()}
and
> {iterate_container_objects to support a prefix.  This functionality is not present in
the Azure driver for some reason.   I've gone and checked the list_blobs API and ti also
supports this functionality as seen here: [https://docs.microsoft.com/en-us/rest/api/storageservices/list-blobs]
I've attempted a quick and dirty patch that seems to work as well.
> {code:python}
> azure_blobs.py Line 384
> -    def iterate_container_objects(self, container):
> +    def iterate_container_objects(self, container, ex_prefix=None):
>         """
>         @inherits: :class:`StorageDriver.iterate_container_objects`
>         """
>         params = {'restype': 'container',
>                   'comp': 'list',
> +                  'prefix': ex_prefix,
>                   'maxresults': RESPONSES_PER_REQUEST,
>                   'include': 'metadata'}
> Line 419 (Add new function)
>     def list_container_objects(self, container, ex_prefix=None):
>         """
>         Return a list of objects for the given container.
>     
>         :param container: Container instance.
>         :type container: :class:`Container`
>     
>         :param ex_prefix: Only return objects starting with ex_prefix
>         :type ex_prefix: ``str``
>     
>         :return: A list of Object instances.
>         :rtype: ``list`` of :class:`Object`
>         """
>         return list(self.iterate_container_objects(container,
>                                                    ex_prefix=ex_prefix))
>     
>  {code}
>  



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